<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!-- 商品信息主题区域 -->
			<view class="goods-info-body">
				<!-- 商品名字 -->
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递:免运费</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- 商品导航组件区域 -->
		<view class="goods_nav">
		<uni-goods-nav :fill="true"  :options="options" 
		:buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick"/>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				goods_info:{},
				 options: [{
							icon: 'shop',
							text: '店铺',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 2
						}],
					    buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ]
			}
		},
		methods: {
			async getGoodsDetail(goods_id){
			const {data:res} = await uni.$http.get('https://api-hmugo-web.itheima.net/api/public/v1/goods/detail',{goods_id})
			if(res.meta.status!=200) return uni.$showMsg()
			
			
			// 使用字符串的replace()方法，为img标签添加行内的style样式，从而解决图片底部空白间隙的问题
			res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/.webp/g,'.jpg')
			this.goods_info=res.message
			},
			//实现轮播图的预览效果
			preview(i){
				//调用uni.previewImage()方法预览图片
				uni.previewImage({
					//预览时，默认的图片索引
					current:i,
					//所有图片url地址的数组
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			
			onClick(e){
				if(e.content.text==='购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			}
		},
		onLoad(options){
			const goods_id=options.goods_id
			this.getGoodsDetail(goods_id)
		},
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	
	image{
		width: 100%;
		height: 100%;
	}
}

.goods-info-box{
	padding: 10px;
	padding-right: 0;
	.price{
		color: #C00000;
		font-size: 18px;
		margin: 10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	.yf{
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
	
}

.goods_nav{
		position: fixed;
		bottom: 0;
		left: 0;
		width:100%
	}
	.goods-detail-container{
		padding-bottom: 50px;
	}
</style>
